11 31 090 Removing and installing/replacing chain tensioning piston (M52 / M52TU / M54 / M56)

WARNING: This page is about a different variant/trim than selected.

Important!

Spring pressure!

Unfasten cylinder for chain tensioning piston.

Installation:

Replace sealing ring.

Tightening torque, refer to 11 31 8AZ in ENGINE - TIGHTENING TORQUES .

Fig 1: Removing Cylinder For Chain Tensioning Piston

Courtesy of BMW OF NORTH AMERICA, INC.

Arrangement of components:

Cylinder for chain tensioning piston.
Sealing ring.
Spring.
Piston.

Fig 2: Exploded View Of Cylinder For Chain Tensioning Piston
Courtesy of BMW OF NORTH AMERICA, INC.